The Hayfield Road Pipe Project is on schedule to be completed on time. Here are some additional updates.
Pipe under Telegraph Road – The construction company, Garney, will soon begin work to install the pipe under Telegraph Road at the Telegraph Road / Hayfield Road intersection. This is starting sooner than planned because schools are closed. A more detailed description of work to include time estimates will be provided when confirmed.
Pool of Water at the Outfall – The stormwater pipe “daylights” or opens up at end of Hayfield Road 
near Hayfield Pool into the rock armored plunge pool. The surrounding grade may be causing the water to pool higher than the armoring. If this is the case, engineers will ensure that there is positive drainage away from the plunge pool though there is no guarantee that the plunge pool will always dry out after precipitation events.
Vibration Monitoring – There are three vibration monitors which are moved to remain in proximity to the active excavation work, i.e., they are moved along with the active excavation as it progresses up the street. As of May 8, they were located at 7628, 7700, and 7702 Hayfield Road. Fairfax County has addressed questions raised by residents about allowable levels of vibration. One question was about Fairfax County zoning ordinances. That ordinance is a performance standard for continuous operation, such as a manufacturing facility. If a manufacturer was being permitted for a permanent location for continuous use, then the 0.02in/second threshold would apply so as to not intrude perpetually on the neighbors/community. The Pipe Project construction activity is temporary and Fairfax County is to complete it as soon as possible. With construction, the earthborn vibrations are limited to standards to not damage structures.
Another question was about presence of Fairfax County staff. The County’s engineering inspectors are on the site daily. Depending on the work activity, this may only be a check in. Construction management Project Engineer, Brendan Schillo, is on the site two to three times per week. Typically, Project Manager, Dave Anglin is on site at least once each week. This will change some in the near future based on the anticipated work for the underground pipe installation at the Telegraph Road intersection.
Vandalism May 5 & 6 – Vandalism occurred the nights of May 5 and 6 on Garney Construction equipment. In the May 5 incident someone poured oil into the gas tank of a loader parked in the pool parking lot staging area; also hydraulic fluid was poured or spilled on the ground. In the May 6 incident the front glass of the operator’s cab of a CAT 315 Excavator was shattered. The excavator was parked on center median on Hayfield Road. Police have been notified and enhanced security measures are now in place.
As a reminder, all residents must keep out of the staging area (parking lot) at the pool and also stay clear of all Garney Construction equipment. Certainly all residents will feel safer as soon as this vandalism can be halted. If you see any suspicious activity, please call Fairfax County Police at 703-691-2131.
Progress and General Updates (as of May 8, 2020)
- Curb & gutter and driveway aprons are complete on the lower end from near the pool up to Broadmoor Street.
- Paving the base course of asphalt was completed April 22, 2020 from the pool up close to Broadmoor Street. Remember: The surface course of asphalt will be placed at the end of the project after milling the east-side land and median crossovers.
- Outfall wing walls and plunge pool installed.
- Garney installed the new electric power conduit last week. Dominion was scheduled to complete the relocation recently on Saturday May 9. This connection work required open excavations in two yards.
- After the Dominion completes the relocation, Garney will continue installing box culvert sections.
- Vibration monitors are relocated in proximity to the actual/ongoing work.
- Sanitary sewer main work, i.e., connecting the homeowner lateral connections, is still in progress.
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